-
Notifications
You must be signed in to change notification settings - Fork 68
/
WHATS_NEW
5350 lines (5086 loc) · 293 KB
/
WHATS_NEW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
version 2.03.19 - 21st February 2023
====================================
Configure supports --with-systemd-run executed from udev rules.
Enhancement for build with MuslC systemd and non-bash system shells (dash).
Do not reset SYSTEMD_READY variable in udev for PVs on MD and loop devices.
Ensure udev is processing origin LV before its thick snapshots LVs.
Fix and improve runtime memory size detection for VDO volumes.
version 2.03.18 - 22nd December 2022
====================================
Fix issues reported by coverity scan.
Fix warning for thin pool overprovisioning on lvextend (2.03.17).
Add support for writecache metadata_only and pause_writeback settings.
Fix missing error messages in lvmdbusd.
Version 2.03.17 - 10th November 2022
====================================
Add new options (--fs, --fsmode) for FS handling when resizing LVs.
Fix 'lvremove -S|--select LV' to not also remove its historical LV right away.
Fix lv_active field type to binary so --select and --binary applies properly.
Switch to use mallinfo2 and use it only with glibc.
Error out in lvm shell if using a cmd argument not supported in the shell.
Fix lvm shell's lastlog command to report previous pre-command failures.
Extend VDO and VDOPOOL without flushing and locking fs.
Add --valuesonly option to lvmconfig to print only values without keys.
Updates configure with recent autoconf tooling.
Fix lvconvert --test --type vdo-pool execution.
Add json_std output format for more JSON standard compliant version of output.
Fix vdo_slab_size_mb value for converted VDO volume.
Fix many corner cases in device_id, including handling of S/N duplicates.
Fix various issues in lvmdbusd.
Version 2.03.16 - 18th May 2022
===============================
Fix segfault when handling selection with historical LVs.
Add support --vdosettings with lvcreate, lvconvert, lvchange.
Filtering multipath devices respects blacklist setting from multipath
configuration.
lvmdevices support for removing by device id using --deviceidtype and
--deldev.
Display writecache block size with lvs -o writecache_block_size.
Improve cachesettings description in man lvmcache.
Fix lossing of delete message on thin-pool extension.
Version 2.03.15 - 07th February 2022
====================================
Remove service based autoactivation. global/event_activation = 0 is NOOP.
Improve support for metadata profiles for --type writecache.
Use cache or active DM device when available with new kernels.
Introduce function to utilize UUIDs from DM_DEVICE_LIST.
Increase some hash table size to better support large device sets.
Version 2.03.14 - 20th October 2021
===================================
Device scanning is skipping directories on different filesystems.
Print info message with too many or too large archived files.
Reduce metadata readings during scanning phase.
Optimize computation of crc32 check sum with multiple PVs.
Enhance recover path on cache creation failure.
Filter out unsupported MQ/SMQ cache policy setting.
Fix memleak in mpath filter.
Support newer location for VDO statistics.
Add support for VDO async-unsafe write policy.
Improve lvm_import_vdo script.
Support VDO LV with lvcreate -ky.
Fix lvconvert for VDO LV bigger then 2T.
Create VDO LVs automatically without zeroing.
Rename vdoimport to lvm_import_vdo.
Version 2.03.13 - 11th August 2021
==================================
Changes in udev support:
- obtain_device_list_from_udev defaults to 0.
- see devices/external_device_info_source,
devices/obtain_device_list_from_udev, and devices/multipath_wwids_file help
in lvm.conf
Fix devices file handling of loop with deleted backing file.
Fix devices file handling of scsi_debug WWIDs.
Fix many static analysis issues.
Support --poolmetadataspare with vgsplit and vgmerge.
Fix detection of active components of external origin volume.
Add vdoimport tool to support conversion of VDO volumes.
Support configurable allocation/vdo_pool_header_size.
Fix handling of lvconvert --type vdo-pool --virtualsize.
Simplified handling of archive() and backup() internal calls.
Add 'idm' locking type for IDM lock manager.
Fix load of kvdo target when it is not present in memory (2.03.12).
Version 2.03.12 - 07th May 2021
===============================
Allow attaching cache to thin data volume.
Fix memleak when generating list of outdated pvs.
Better hyphenation usage in man pages.
Replace use of deprecated security_context_t with char*.
Configure supports AIO_LIBS and AIO_CFLAGS.
Improve build process for static builds.
New --setautoactivation option to modify LV or VG auto activation.
New metadata based autoactivation property for LVs and VGs.
Improve signal handling with lvmpolld.
Signal handler can interrupt command also for SIGTERM.
Lvreduce --yes support.
Add configure option --with/out-symvers for non-glibc builds.
Report error when the filesystem is missing on fsadm resized volume.
Handle better blockdev with --getsize64 support for fsadm.
Do not include editline/history.h when using editline library.
Support error and zero segtype for thin-pool data for testing.
Support mixed extension for striped, error and zero segtypes.
Support resize also for stacked virtual volumes.
Skip dm-zero devices just like with dm-error target.
Reduce ioctl() calls when checking target status.
Merge polling does not fail, when LV is found to be already merged.
Poll volumes with at least 100ms delays.
Do not flush dm cache when cached LV is going to be removed.
New lvmlockctl_kill_command configuration option.
Support interruption while waiting on device close before deactivation.
Flush thin-pool messages before removing more thin volumes.
Improve hash function with less collisions and make it faster.
Reduce ioctl count when deactivating volumes.
Reduce number of metadata parsing.
Enhance performance of lvremove and vgremove commands.
Support interruption when taking archive and backup.
Accelerate large lvremoves.
Speedup search for cached device nodes.
Speedup command initialization.
Add devices file feature, off by default for now.
Support extension of writecached volumes.
Fix problem with unbound variable usage within fsadm.
Fix IMSM MD RAID detection on 4k devices.
Check for presence of VDO target before starting any conversion.
Support metatadata profiles with volume VDO pool conversions.
Support -Zn for conversion of already formated VDO pools.
Avoid removing LVs on error path of lvconvert during creation volumes.
Fix crashing lvdisplay when thin volume was waiting for merge.
Support option --errorwhenfull when converting volume to thin-pool.
Improve thin-performance profile support conversion to thin-pool.
Add workaround to avoid read of internal 'converted' devices.
Prohibit merging snapshot into the read-only thick snapshot origin.
Restore support for flipping rw/r permissions for thin snapshot origin.
Support resize of cached volumes.
Disable autoactivation with global/event_activation=0.
Check if lvcreate passes read_only_volume_list with tags and skips zeroing.
Allocation prints better error when metadata cannot fit on a single PV.
Pvmove can better resolve full thin-pool tree move.
Limit pool metadata spare to 16GiB.
Improves conversion and allocation of pool metadata.
Support thin pool metadata 15.88GiB, adds 64MiB, thin_pool_crop_metadata=0.
Enhance lvdisplay to report raid available/partial.
Support online rename of VDO pools.
Improve removal of pmspare when last pool is removed.
Fix problem with wiping of converted LVs.
Fix memleak in scanning (2.03.11).
Fix corner case allocation for thin-pools.
Version 2.03.11 - 08th January 2021
===================================
Fix pvck handling MDA at offset different from 4096.
Partial or degraded activation of writecache is not allowed.
Enhance error handling for fsadm and handle correct fsck result.
Dmeventd lvm plugin ignores higher reserved_stack lvm.conf values.
Support using BLKZEROOUT for clearing devices.
Support interruption when wipping LVs.
Support interruption for bcache waiting.
Fix bcache when device has too many failing writes.
Fix bcache waiting for IO completion with failing disks.
Configure use own python path name order to prefer using python3.
Add configure --enable-editline support as an alternative to readline.
Enhance reporting and error handling when creating thin volumes.
Enable vgsplit for VDO volumes.
Lvextend of vdo pool volumes ensure at least 1 new VDO slab is added.
Use revert_lv() on reload error path after vg_revert().
Configure --with-integrity enabled.
Restore lost signal blocking while VG lock is held.
Improve estimation of needed extents when creating thin-pool.
Use extra 1% when resizing thin-pool metadata LV with --use-policy.
Enhance --use-policy percentage rounding.
Configure --with-vdo and --with-writecache as internal segments.
Improving VDO man page examples.
Allow pvmove of writecache origin.
Report integrity fields.
Integrity volumes defaults to journal mode.
Switch code base to use flexible array syntax.
Fix 64bit math when calculation cachevol size.
Preserve uint32_t for seqno handling.
Switch from mmap to plain read when loading regular files.
Update lvmvdo man page and better explain DISCARD usage.
Version 2.03.10 - 09th August 2020
==================================
Add writecache and integrity support to lvmdbusd.
Generate unique cachevol name when default required from lvcreate.
Converting RAID1 volume to one with same number of legs now succeeds with a
warning.
Fix conversion to raid from striped lagging type.
Fix conversion to 'mirrored' mirror log with larger regionsize.
Zero pool metadata on allocation (disable with allocation/zero_metadata=0).
Failure in zeroing or wiping will fail command (bypass with -Zn, -Wn).
Add lvcreate of new cache or writecache lv with single command.
Fix running out of free buffers for async writing for larger writes.
Add integrity with raid capability.
Fix support for lvconvert --repair used by foreign apps (i.e. Docker).
Version 2.03.09 - 26th March 2020
=================================
Fix formatting of vdopool (vdo_slab_size_mb was smaller by 2 bits).
Fix showing of a dm kernel error when uncaching a volume with cachevol.
Version 2.03.08 - 11th February 2020
====================================
Prevent problematic snapshots of writecache volumes.
Add error handling for failing allocation in _reserve_area().
Fix memleak in syncing of internal cache.
Fix pvck dump_current_text memleak.
Fix lvmlockd result code on error path for _query_lock_lv().
Update pvck man page and help output.
Reject invalid writecache high/low_watermark setting.
Report writecache status.
Accept more output lines from vdo_format.
Prohibit reshaping of stacked raid LVs.
Avoid running cache input arg validation when creating vdo pool.
Prevent raid reshaping of stacked volumes.
Added VDO lvmdbusd methods for enable/disable compression & dedupe.
Added VDO lvmdbusd method for converting LV to VDO pool.
Version 2.03.07 - 30th November 2019
====================================
Subcommand in vgck for repairing headers and metadata.
Ensure minimum required region size on striped RaidLV creation.
Fix resize of thin-pool with data and metadata of different segtype.
Improve mirror type leg splitting.
Improve error path handling in daemons on shutdown.
Fix activation order when removing merged snapshot.
Experimental VDO support for lvmdbusd.
Version 2.03.06 - 23rd October 2019
===================================
Add _cpool suffix to cache-pool LV name when used by caching LV.
No longer store extra UUID for cmeta and cdata cachevol layer.
Enhance activation of cache devices with cachevols.
Add _cvol in list of protected suffixes and start use it with DM UUID.
Rename LV converted to cachevol to use _cvol suffix.
Use normal LVs for wiping of cachevols.
Reload cleanered cache DM only with cleaner policy.
Fix cmd return when zeroing of cachevol fails.
Extend lvs to show all VDO properties.
Preserve VDO write policy with vdopool.
Increase default vdo bio threads to 4.
Continue report when cache_status fails.
Add support for DM_DEVICE_GET_TARGET_VERSION into device_mapper.
Fix cmirrord usage of header files from device_mapper subdir.
Allow standalone activation of VDO pool just like for thin-pools.
Activate thin-pool layered volume as 'read-only' device.
Ignore crypto devices with UUID signature CRYPT-SUBDEV.
Enhance validation for thin and cache pool conversion and swapping.
Improve internal removal of cached devices.
Synchronize with udev when dropping snapshot.
Add missing device synchronization point before removing pvmove node.
Correctly set read_ahead for LVs when pvmove is finished.
Remove unsupported OPTIONS+="event_timeout" udev rule from 11-dm-lvm.rules.
Prevent creating VGs with PVs with different logical block sizes.
Fix metadata writes from corrupting with large physical block size.
Version 2.03.05 - 15th June 2019
================================
Fix command definition for pvchange -a.
Add vgck --updatemetadata command that will repair metadata problems.
Improve VG reading to work if one good copy of metadata is found.
Report/display/scan commands that read VGs will no longer write/repair.
Move metadata repairs from VG reading to VG writing.
Add config setting md_component_checks to control MD component checks.
Add end of device MD component checks when dev has no udev info.
Version 2.03.04 - 10th June 2019
================================
Remove unused_duplicate_devs from cmd causing segfault in dmeventd.
Version 2.03.03 - 07th June 2019
================================
Report no_discard_passdown for cache LVs with lvs -o+kernel_discards.
Add pvck --dump option to extract metadata.
Fix signal delivery checking race in libdaemon (lvmetad).
Add missing Before=shutdown.target to LVM2 services to fix shutdown ordering.
Skip autoactivation for a PV when PV size does not match device size.
Remove first-pvscan-initialization which should no longer be needed.
Add remote refresh through lvmlockd/dlm for shared LVs after lvextend.
Ignore foreign and shared PVs for pvscan online files.
Add config setting to control fields in debug file and verbose output.
Add command[pid] and timestamp to debug file and verbose output.
Fix missing growth of _pmsmare volume when extending _tmeta volume.
Automatically grow thin metadata, when thin data gets too big.
Add synchronization with udev before removing cached devices.
Add support for caching VDO LVs and VDOPOOL LVs.
Add support for vgsplit with cached devices.
Query mpath device only once per command for its state.
Use device INFO instead of STATUS when checking for mpath device uuid.
Change default io_memory_size from 4 to 8 MiB.
Add config setting io_memory_size to set bcache size.
Fix pvscan autoactivation for concurrent pvscans.
Change scan_lvs default to 0 so LVs are not scanned for PVs.
Thin-pool selects power-of-2 chunk size by default.
Cache selects power-of-2 chunk size by default.
Support reszing for VDOPoolLV and VDOLV.
Improve -lXXX%VG modifier which improves cache segment estimation.
Ensure migration_threshold for cache is at least 8 chunks.
Restore missing man info lvcreate --zero for thin-pools.
Drop misleadning comment for metadata minimum_io_size for VDO segment.
Add device hints to reduce scanning.
Introduce LVM_SUPPRESS_SYSLOG to suppress syslog usage by generator.
Fix generator quering lvmconfig unpresent config option.
Fix memleak on bcache error path code.
Fix missing unlock on lvm2 dmeventd plugin error path initialization.
Improve Makefile dependency tracking.
Move VDO support towards V2 target (6.2) support.
Version 2.03.02 - 18th December 2018
====================================
Fix missing proper initialization of pv_list struct when adding pv.
Fix (de)activation of RaidLVs with visible SubLVs.
Prohibit mirrored 'mirror' log via lvcreate and lvconvert.
Use sync io if async io_setup fails, or use_aio=0 is set in config.
Fix more issues reported by coverity scan.
Version 2.03.01 - 31st October 2018
===================================
Version 2.03.00 - 10th October 2018
===================================
Add hot fix to avoiding locking collision when monitoring thin-pools.
Allow raid4 -> linear conversion request.
Fix lvconvert striped/raid0/raid0_meta -> raid6 regression.
Add 'lvm2-activation-generator:' prefix for kmsg messages logged by generator.
Add After=rbdmap.service to {lvm2-activation-net,blk-availability}.service.
Reduce max concurrent aios to avoid EMFILE with many devices.
Fix lvconvert conversion attempts to linear.
Fix lvconvert raid0/raid0_meta -> striped regression.
Fix lvconvert --splitmirror for mirror type (2.02.178).
Do not pair cache policy and cache metadata format.
lvconvert: reject conversions on raid1 LVs with split tracked SubLVs
lvconvert: reject conversions on raid1 split tracked SubLVs
Add basic creation support for VDO target.
Never send any discard ioctl with test mode.
Fix thin-pool alloc which needs same PV for data and metadata.
Extend list of non-memlocked areas with newly linked libs.
Enhance vgcfgrestore to check for active LVs in restored VG.
Configure supports --disable-silent-rules for verbose builds.
Fix unmonitoring of merging snapshots.
Cache can uses metadata format 2 with cleaner policy.
Fix check if resized PV can also fit metadata area.
Avoid showing internal error in lvs output or pvmoved LVs.
Remove clvmd
Remove lvmlib (api)
Remove lvmetad
Use versionsort to fix archive file expiry beyond 100000 files.
Version 2.02.178-rc1 - 24th May 2018
====================================
Add libaio dependency for build.
Remove lvm1 and pool format handling and add filter to ignore them.
Move some filter checks to after disks are read.
Rework disk scanning and when it is used.
Add new io layer and shift code to using it.
Fix lvconvert's return code on degraded -m raid1 conversion.
--enable-testing switch for ./configure has been removed.
--with-snapshots switch for ./configure has been removed.
--with-mirrors switch for ./configure has been removed.
--with-raid switch for ./configure has been removed.
--with-thin switch for ./configure has been removed.
--with-cache switch for ./configure has been removed.
Include new unit-test framework and unit tests.
Extend validation of region_size for mirror segment.
Reload whole device stack when reinitilizing mirror log.
Mirrors without monitoring are WARNING and not blocking on error.
Detect too big region_size with clustered mirrors.
Fix evaluation of maximal region size for mirror log.
Enhance mirror log size estimation and use smaller size when possible.
Fix incorrect mirror log size calculation on 32bit arch.
Enhance preloading tree creating.
Fix regression on acceptance of any LV on lvconvert.
Restore usability of thin LV to be again external origin for another thin.
Keep systemd vars on change event in 69-dm-lvm-metad.rules for systemd reload.
Write systemd and non-systemd rule in 69-dm-lvm-metad.rules, GOTO active one.
Add test for activation/volume_list (Sub)LV remnants.
Disallow usage of cache format 2 with mq cache policy.
Again accept striped LV as COW LV with lvconvert -s (2.02.169).
Fix raid target version testing for supported features.
Allow activation of pools when thin/cache_check tool is missing.
Remove RaidLV on creation failure when rmeta devices can't be activated.
Add prioritized_section() to restore cookie boundaries (2.02.177).
Enhance error messages when read error happens.
Enhance mirror log initialization for old mirror target.
Skip private crypto and stratis devices.
Skip frozen raid devices from scanning.
Activate RAID SubLVs on read_only_volume_list readwrite.
Offer convenience type raid5_n converting to raid10.
Automatically avoid reading invalid snapshots during device scan.
Ensure COW device is writable even for read-only thick snapshots.
Support activation of component LVs in read-only mode.
Extend internal library to recognize and work with component LV.
Skip duplicate check for active LV when prompting for its removal.
Activate correct lock holding LV when it is cached.
Do not modify archived metadata when removing striped raid.
Fix memleak on error path when obtaining lv_raid_data_offset.
Fix compatibility size test of extended external origin.
Add external_origin visiting in for_each_sub_lv().
Ensure cluster commands drop their device cache before locking VG.
Do not report LV as remotely active when it's locally exclusive in cluster.
Add deprecate messages for usage of mirrors with mirrorlog.
Separate reporting of monitoring status and error status.
Improve validation of created strings in vgimportclone.
Add missing initialisation of mem pool in systemd generator.
Do not reopen output streams for multithreaded users of liblvm.
Configure ensures /usr/bin dir is checked for dmpd tools.
Restore pvmove support for wide-clustered active volumes (2.02.177).
Avoid non-exclusive activation of exclusive segment types.
Fix trimming sibling PVs when doing a pvmove of raid subLVs.
Preserve exclusive activation during thin snaphost merge.
Avoid exceeding array bounds in allocation tag processing.
Add --lockopt to common options and add option to skip selected locks.
Version 2.02.177 - 18th December 2017
=====================================
When writing text metadata content, use complete 4096 byte blocks.
Change text format metadata alignment from 512 to 4096 bytes.
When writing metadata, consistently skip mdas marked as failed.
Refactor and adjust text format metadata alignment calculation.
Fix python3 path in lvmdbusd to use value detected by configure.
Reduce checks for active LVs in vgchange before background polling.
Ensure _node_send_message always uses clean status of thin pool.
Fix lvmlockd to use pool lock when accessing _tmeta volume.
Report expected sanlock_convert errors only when retries fail.
Avoid blocking in sanlock_convert on SH to EX lock conversion.
Deactivate missing raid LV legs (_rimage_X-missing_Y_Z) on decativation.
Skip read-modify-write when entire block is replaced.
Categorise I/O with reason annotations in debug messages.
Allow extending of raid LVs created with --nosync after a failed repair.
Command will lock memory only when suspending volumes.
Merge segments when pvmove is finished.
Remove label_verify that has never been used.
Ensure very large numbers used as arguments are not casted to lower values.
Enhance reading and validation of options stripes and stripes_size.
Fix printing of default stripe size when user is not using stripes.
Activation code for pvmove automatically discovers holding LVs for resume.
Make a pvmove LV locking holder.
Do not change critical section counter on resume path without real resume.
Enhance activation code to automatically suspend pvmove participants.
Prevent conversion of thin volumes to snapshot origin when lvmlockd is used.
Correct the steps to change lock type in lvmlockd man page.
Retry lock acquisition on recognized sanlock errors.
Fix lock manager error codes in lvmlockd.
Remove unnecessary single read from lvmdiskscan.
Check raid reshape flags in vg_validate().
Add support for pvmove of cache and snapshot origins.
Avoid using precommitted metadata for suspending pvmove tree.
Ehnance pvmove locking.
Deactivate activated LVs on error path when pvmove activation fails.
Add "io" to log/debug_classes for logging low-level I/O.
Eliminate redundant nested VG metadata in VG struct.
Avoid importing persistent filter in vgscan/pvscan/vgrename.
Fix memleak of string buffer when vgcfgbackup runs in secure mode.
Do not print error when clvmd cannot find running clvmd.
Prevent start of new merge of snapshot if origin is already being merged.
Fix offered type for raid6_n_6 to raid5 conversion (raid5_n).
Deactivate sub LVs when removing unused cache-pool.
Do not take backup with suspended devices.
Avoid RAID4 activation on incompatible kernels under all circumstances.
Reject conversion request to striped/raid0 on 2-legged raid4/5.
Version 2.02.176 - 3rd November 2017
====================================
Keep Install section only in lvm2-{lvmetad,lvmpolld}.socket systemd unit.
Fix segfault in lvm_pv_remove in liblvm. (2.02.173)
Do not allow storing VG metadata with LV without any segment.
Fix printed message when thin snapshot was already merged.
Remove created spare LV when creation of thin-pool failed.
Avoid reading ignored metadata when mda gets used again.
Fix detection of moved PVs in vgsplit. (2.02.175)
Ignore --stripes/--stripesize on RAID takeover
Improve used paths for generated systemd units and init shells.
Disallow creation of snapshot of mirror/raid subLV (was never supported).
Fix regression in more advanced vgname extraction in lvconvert (2.02.169).
Allow lvcreate to be used for caching of _tdata LV.
Avoid internal error when resizing cache type _tdata LV (not yet supported).
Show original converted names when lvconverting LV to pool volume.
Move lib code used only by liblvm into metadata-liblvm.c.
Distinguish between device not found and excluded by filter.
Monitor external origin LVs.
Remove the replicator code, including configure --with-replicators.
Allow lvcreate --type mirror to work with 100%FREE.
Improve selection of resource name for complex volume activation lock.
Avoid cutting first character of resource name for activation lock.
Support for encrypted devices in fsadm.
Improve thin pool overprovisioning and repair warning messages.
Fix incorrect adjustment of region size on striped RaidLVs.
Version 2.02.175 - 6th October 2017
===================================
Use --help with blockdev when checking for --getsize64 support in fsadm.
Dump lvmdbusd debug information with SIGUSR1.
Fix metadata corruption in vgsplit and vgmerge intermediate states.
Add PV_MOVED_VG PV status flag to mark PVs moving between VGs.
Fix lvmdbus hang and recognise unknown VG correctly.
Improve error messages when command rules fail.
Require LV name with pvmove in a shared VG.
Allow shared active mirror LVs with lvmlockd, dlm, and cmirrord.
Support lvconvert --repair with cache and cachepool volumes.
lvconvert --repair respects --poolmetadataspare option.
Mark that we don't plan to develop liblvm2app and python bindings any further.
Fix thin pool creation in shared VG. (2.02.173)
Version 2.02.174 - 13th September 2017
======================================
Prevent raid1 split with trackchanges in a shared VG.
Avoid double unlocking of client & lockspace mutexes in lvmlockd.
Fix leaking of file descriptor for non-blocking filebased locking.
Fix check for 2nd mda at end of disk fits if using pvcreate --restorefile.
Use maximum metadataarea size that fits with pvcreate --restorefile.
Always clear cached bootloaderarea when wiping label e.g. in pvcreate.
Disallow --bootloaderareasize with pvcreate --restorefile.
Fix lvmlockd check for running lock managers during lock adoption.
Add --withgeneralpreamble and --withlocalpreamble to lvmconfig.
Improve makefiles' linking.
Fix some paths in generated makefiles to respected configured settings.
Add warning when creating thin-pool with zeroing and chunk size >= 512KiB.
Introduce exit code 4 EINIT_FAILED to replace -1 when initialisation fails.
Add synchronization points with udev during reshape of raid LVs.
Version 2.02.173 - 20th July 2017
=================================
Add synchronization points with udev during conversion of raid LVs.
Improve --size args validation and report more detailed error message.
Initialize debugging mutex before any debug message in clvmd.
Log error instead of warn when noticing connection problem with lvmetad.
Fix memory leak in lvmetad when working with duplicates.
Remove restrictions on reshaping open and clustered raid devices.
Add incompatible data_offset to raid metadata to fix reshape activation.
Accept 'lvm -h' and 'lvm --help' as well as 'lvm help' for help.
Suppress error message from accept() on clean lvmetad shutdown.
Tidy clvmd client list processing and fix segfaults.
Protect clvmd debug log messages with mutex and add client id.
Fix shellcheck reported issues for script files.
Version 2.02.172 - 28th June 2017
=================================
Add missing NULL to argv array when spliting cmdline arguments.
Add display_percent helper function for printing percent values.
lvconvert --repair handles failing raid legs (present but marked 'D'ead).
Do not lvdisplay --maps unset settings of cache pool.
Fix lvdisplay --maps for cache pool without policy settings.
Support aborting of flushing cache LV.
Reenable conversion of data and metadata thin-pool volumes to raid.
Improve raid status reporting with lvs.
No longer necessary to '--force' a repair for RAID1.
Linear to RAID1 upconverts now use "recover" sync action, not "resync".
Improve lvcreate --cachepool arg validation.
Limit maximum size of thin-pool for specific chunk size.
Print a warning about in-use PVs with no VG using them.
Disable automatic clearing of PVs that look like in-use orphans.
Cache format2 flag is now using segment name type field.
Support storing status flags via segtype name field.
Stop using '--yes' mode when fsadm runs without terminal.
Extend validation of filesystems resized by fsadm.
Enhance lvconvert automatic settings of possible (raid) LV types.
Allow lvchange to change properties on a thin pool data sub LV.
Fix lvcreate extent percentage calculation for mirrors.
Don't reinstate still-missing devices when correcting inconsistent metadata.
Properly handle subshell return codes in fsadm.
Disallow cachepool creation with policy cleaner and mode writeback.
Version 2.02.171 - 3rd May 2017
===============================
Fix memory warnings by using mempools for command definition processing.
Fix running commands from a script file.
Add pvcreate prompt when device size doesn't match setphysicalvolumesize.
lvconvert - preserve region size on raid1 image count changes
Adjust pvresize/pvcreate messages and prompt if underlying dev size differs.
raid - sanely handle insufficient space on takeover.
Fix configure --enable-notify-dbus status message.
Change configure option name prefix from --enable-lockd to --enable-lvmlockd.
lvcreate - raise mirror/raid default regionsize to 2MiB
Add missing configurable prefix to configuration file installation directory.
Version 2.02.170 - 13th April 2017
==================================
Introduce global/fsadm_executable to make fsadm path configurable.
Look for limited thin pool metadata size when using 16G metadata.
Add lvconvert pool creation rule disallowing options with poolmetadata.
Fix lvconvert when the same LV is incorrectly reused in options.
Fix lvconvert VG name validation in option values.
Fix missing lvmlockd LV locks in lvchange and lvconvert.
Fix dmeventd setup for lvchange --poll.
Fix use of --poll and --monitor with lvchange and vgchange.
Disallow lvconvert of hidden LV to a pool.
Ignore --partial option when not used for activation.
Allow --activationmode option with lvchange --refresh.
Better message on lvconvert --regionsize
Allow valid lvconvert --regionsize change
Add raid10 alias raid10_near
Handle insufficient PVs on lvconvert takeover
Fix SIGINT blocking to prevent corrupted metadata
Fix systemd unit existence check for lvmconf --services --startstopservices.
Check and use PATH_MAX buffers when creating vgrename device paths.
Version 2.02.169 - 28th March 2017
==================================
Automatically decide whether '-' in a man page is a hyphen or a minus sign.
Add build-time configuration command line to 'lvm version' output.
Handle known table line parameter order change in specific raid target vsns.
Conditionally reject raid convert to striped/raid0* after reshape.
Ensure raid6 upconversion restrictions.
Adjust mirror & raid dmeventd plugins for new lvconvert --repair behaviour.
Disable lvmetad when lvconvert --repair is run.
Remove obsolete lvmchange binary - convert to built-in command.
Show more information for cached volumes in lvdisplay [-m].
Add option for lvcreate/lvconvert --cachemetadataformat auto|1|2.
Support cache segment with configurable metadata format.
Add allocation/cache_metadata_format profilable settings.
Use function cache_set_params() for both lvcreate and lvconvert.
Skip rounding on cache chunk size boudary when create cache LV.
Improve cache_set_params support for chunk_size selection.
Fix metadata profile allocation/cache_[mode|policy] setting.
Fix missing support for using allocation/cache_pool_chunk_size setting.
Upstream git moved to https://sourceware.org/git/?p=lvm2
Support conversion of raid type, stripesize and number of disks
Reject writemostly/writebehind in lvchange during resynchronization.
Deactivate active origin first before removal for improved workflow.
Fix regression of accepting both --type and -m with lvresize. (2.02.158)
Add lvconvert --swapmetadata, new specific way to swap pool metadata LVs.
Add lvconvert --startpoll, new specific way to start polling conversions.
Add lvconvert --mergethin, new specific way to merge thin snapshots.
Add lvconvert --mergemirrors, new specific way to merge split mirrors.
Add lvconvert --mergesnapshot, new specific way to combine cow LVs.
Split up lvconvert code based on command definitions.
Split up lvchange code based on command definitions.
Generate help output and man pages from command definitions.
Verify all command line items against command definition.
Match every command run to one command definition.
Specify every allowed command definition/syntax in command-lines.in.
Add extra memory page when limiting pthread stack size in clvmd.
Support striped/raid0* <-> raid10_near conversions.
Support shrinking of RaidLVs.
Support region size changes on existing RaidLVs.
Avoid parallel usage of cpg_mcast_joined() in clvmd with corosync.
Support raid6_{ls,rs,la,ra}_6 segment types and conversions from/to it.
Support raid6_n_6 segment type and conversions from/to it.
Support raid5_n segment type and conversions from/to it.
Support new internal command _dmeventd_thin_command.
Introduce new dmeventd/thin_command configurable setting.
Use new default units 'r' for displaying sizes.
Also unmount mount point on top of MD device if using blkdeactivate -u.
Restore check preventing resize of cache type volumes (2.02.158).
Add missing udev sync when flushing dirty cache content.
vgchange -p accepts only uint32 numbers.
Report thin LV date for merged LV when the merge is in progress.
Detect if snapshot merge really started before polling for progress.
Checking LV for merging origin requires also it has merged snapshot.
Extend validation of metadata processing.
Enable usage of cached volumes as snapshot origin LV.
Fix displayed lv name when splitting snapshot (2.02.146).
Warn about command not making metadata backup just once per command.
Enable usage of cached volume as thin volume's external origin.
Support cache volume activation with -real layer.
Improve search of lock-holder for external origin and thin-pool.
Support status checking of cache volume used in layer.
Avoid shifting by one number of blocks when clearing dirty cache volume.
Extend metadata validation of external origin LV use count.
Fix dm table when the last user of active external origin is removed.
Improve reported lvs status for active external origin volume.
Fix table load for splitted RAID LV and require explicit activation.
Always active splitted RAID LV exclusively locally.
Do not use LV RAID status bit for segment status.
Check segtype directly instead of checking RAID in segment status.
Reusing exiting code for raid image removal.
Fix pvmove leaving -pvmove0 error device in clustered VG.
Avoid adding extra '_' at end of raid extracted images or metadata.
Optimize another _rmeta clearing code.
Fix deactivation of raid orphan devices for clustered VG.
Fix lvconvert raid1 to mirror table reload order.
Add internal function for separate mirror log preparation.
Fix segfault in lvmetad from missing NULL in daemon_reply_simple.
Simplify internal _info_run() and use _setup_task_run() for mknod.
Better API for internal function _setup_task_run.
Avoid using lv_has_target_type() call within lv_info_with_seg_status.
Simplify internal lv_info_with_seg_status API.
Decide which status is needed in one place for lv_info_with_seg_status.
Fix matching of LV segment when checking for it info status.
Report log_warn when status cannot be parsed.
Test segment type before accessing segment members when checking status.
Implement compatible target function for stripe segment.
Use status info to report merge failed and snapshot invalid lvs fields.
Version 2.02.168 - 30th November 2016
=====================================
Display correct sync_percent on large RaidLVs
lvmdbusd --blackboxsize <n> added, used to override default size of 16
Allow a transiently failed RaidLV to be refreshed
Use lv_update_and_reload() inside mirror code where it applies.
Preserve mirrored status for temporary layered mirrors.
Use transient raid check before repairing raid volume.
Implement transient status check for raid volumes.
Only log msg as debug if lvm2-lvmdbusd unit missing for D-Bus notification.
Avoid duplicated underscore in name of extracted LV image.
Missing stripe filler now could be also 'zero'.
lvconvert --repair accepts --interval and --background option.
More efficiently prepare _rmeta devices when creating a new raid LV.
Version 2.02.167 - 5th November 2016
====================================
Use log_error in regex and sysfs filter to describe reason of failure.
Fix blkdeactivate to deactivate dev stack if dev on top already unmounted.
Prevent non-synced raid1 repair unless --force
Prevent raid4 creation/conversion on non-supporting kernels
Add direct striped -> raid4 conversion
Fix raid4 parity image pair position on conversions from striped/raid0*
Fix a few unconverted return code values for some lvconvert error path.
Disable lvconvert of thin pool to raid while active.
Disable systemd service start rate limiting for lvm2-pvscan@.service.
Version 2.02.166 - 26th September 2016
======================================
Fix lvm2-activation-generator to read all LVM2 config sources. (2.02.155)
Fix lvchange-rebuild-raid.sh to cope with older target versions.
Use dm_config_parse_without_dup_node_check() to speedup metadata reading.
Fix lvconvert --repair regression
Fix reported origin lv field for cache volumes. (2.02.133)
Always specify snapshot cow LV for monitoring not internal LV. (2.02.165)
Fix lvchange --discard|--zero for active thin-pool.
Enforce 4MiB or 25% metadata free space for thin pool operations.
Fix lock-holder device for thin pool with inactive thin volumes.
Use --alloc normal for mirror logs even if the mimages were stricter.
Use O_DIRECT to gather metadata in lvmdump.
Ignore creation_time when checking for matching metadata for lvmetad.
Fix possible NULL pointer derefence when checking for monitoring.
Add lvmreport(7) man page.
Don't install lvmraid(7) man page when raid excluded. (2.02.165)
Report 0% as dirty (copy%) for cache without any used block.
Fix lvm2api reporting of cache data and metadata percent.
Restore reporting of metadata usage for cache volumes (2.02.155).
Support raid scrubbing on cache origin LV.
Version 2.02.165 - 7th September 2016
=====================================
Add lvmraid(7) man page.
Use udev db to check for mpath components before running pvscan for lvmetad.
Use lsblk -s and lsblk -O in lvmdump only if these options are supported.
Fix number of stripes shown in lvcreate raid10 message when too many.
Change lvmdbusd to use new lvm shell facilities.
Do not monitor cache-pool metadata when LV is just being cleared.
Add allocation/cache_pool_max_chunks to prevent misuse of cache target.
Give error not segfault in lvconvert --splitmirrors when PV lies outside LV.
Fix typo in report/columns_as_rows config option name recognition (2.02.99).
Avoid PV tags when checking allocation against parallel PVs.
Disallow mirror conversions of raid10 volumes.
Fix dmeventd unmonitoring when segment type (and dso) changes.
Don't allow lvconvert --repair on raid0 devices or attempt to monitor them.
No longer adjust incorrect number of raid stripes supplied to lvcreate.
Move lcm and gcd to lib/misc.
Fix vgsplit of external origins. (2.02.162)
Prohibit creation of RAID LVs unless VG extent size is at least the page size.
Suppress some unnecessary --stripesize parameter warnings.
Fix 'pvmove -n name ...' to prohibit collocation of RAID SubLVs
Version 2.02.164 - 15th August 2016
===================================
Fix selection of PVs when allocating raid0_meta.
Fix sdbus socket leak leading to hang in lvmnotify.
Specify max stripes for raid LV types: raid0:64; 1:10; 4,5:63; 6:62; 10:32.
Avoid double suffix when naming _rmeta LV paired with _rimage LV.
Version 2.02.163 - 10th August 2016
===================================
Add profile for lvmdbusd which uses lvm shell json report output.
Restrict in-command modification of some parms in lvm shell.
Apply LVM_COMMAND_PROFILE early for lvm shell.
Refactor reporting so lvm shell log report collects whole of cmd execution.
Support LVM_*_FD envvars to redirect output to file descriptors.
Limit use of --corelog and --mirrorlog to mirrors in lvconvert.
Reject --nosync option for RAID6 LVs in lvcreate.
Do not refresh whole cmd context if profile dropped after processing LVM cmd.
Support straightforward lvconvert between striped and raid4 LVs.
Support straightforward lvconvert between raid1 and mirror LVs.
Report supported conversions when asked for unsupported raid lvconvert.
Add "--rebuild PV" option to lvchange to allow for PV selective rebuilds.
Preserve existing mirror region size when using --repair.
Forbid stripe parameters with lvconvert --repair.
Unify stripe size validation into get_stripe_params to catch missing cases.
Further lvconvert validation logic refactoring.
Version 2.02.162 - 28th July 2016
=================================
Extend vg_validate also to check raid configurations thoroughly.
Support lvconvert -Zn also when doing full cache pool conversion.
Suppress not zeroing warn when converting to thin LV for non-zeroing tpool.
Fix automatic updates of PV extension headers to newest version.
Improve lvconvert --trackchanges validation to require --splitmirrors 1.
Add note about lastlog built-in command to lvm man page.
Fix unrecognised segtype flag message.
lvconvert not clears cache pool metadata ONLY with -Zn.
Add allocation/raid_stripe_all_devices to reinstate previous behaviour.
Create raid stripes across fixed small numbers of PVs instead of all PVs.
Enabled lvconvert --uncache to work with partial VG.
Disallow lvconvert --replace with raid0* LVs.
Fix some lvmetad changed VG metadata notifications that sent uncommitted data.
Version 2.02.161 - 15th July 2016
=================================
Prohibit some lvchange/lvresize that were failing on raid0 volumes.
Fix segfaults in complex vgsplits. (2.02.159)
Reformat unwieldy lvconvert man page.
Allow --force to be passed through to pvcreate from vgcreate. (2.02.144)
Fix lvresize of filesystem when LV has already right size (2.02.141)
New LVM_LOG_FILE_MAX_LINES env var to limit max size of created logs.
Version 2.02.160 - 6th July 2016
================================
Minor fixes from coverity.
Version 2.02.159 - 6th July 2016
================================
Add raid0_meta segment type that provides metadata space for raid conversions.
Fix created link for a used pool for vgmknode.
Introduce and use is_power_of_2 macro.
Support conversions between striped and raid0 segment types.
Add infrastructure for raid takeover lvconvert options.
Version 2.02.158 - 25th June 2016
=================================
Add a more efficient native vgimportclone command to replace the script.
Make lvmlockd always attempt to connect to lvmetad if no connection exists.
Let lvmetad handle new connections after shutdown signal.
Disable lvmetad when vgcfgrestore begins and enable it again after.
Make pvscan do activation if lvmetad is configured but not running.
Fix rescanning the PVs for a single VG when using lvmetad.
Pool metadata lvresize uses now same code as resize of normal volume.
Preserve monitoring status when updating thin-pool metadata.
Return 0 (inactive) when status cannot be queried in _lv_active().
Switch to log_warn() for failing activation status query.
Replace vgimportclone script with binary.
While lvmetad is shutting down, continue handling all connections cleanly.
Refactor lvconvert argument handling code.
Notify lvmetad when vgcfgrestore changes VG metadata.
Add --logonly option to report only cmd log for a command, not other reports.
Add log/command_log_selection to configure default selection used on cmd log.
Use 'orphan' object type in cmd log for groups to collect PVs not yet in VGs.
Add lvm lastlog command for query and display of last cmd's log in lvm shell.
Report per-object return codes via cmd log while processing multiple objects.
Annotate processing code with log report hooks for per-object command log.
Also pass common printed messages (besides warnings and errors) to log report.
Log warnings and errors via report during cmd processing if this is enabled.
Make it possible to iterate over internal 'orphan' VGs in process_each_vg fn.
Make -S|--select option groupable that allows this option to be repeated.
Make -O|--sort option groupable that allows this option to be repeated.
Add --configreport option to select report for which next options are applied.
Add support for priorities on grouping command arguments.
Add report/{pvs,vgs,lvs,pvsegs,segs}_{cols,sort}_full to lvm.conf.
Add lvm fullreport command for joined PV, VG, LV and segment report per VG.
Integrate report group handling and cmd log report into cmd processing code.
Add log/report_command_log to lvm.conf to enable or disable cmd log report.
Add log/report_output_format to lvm.conf for default report output format.
Recognize --reportformat {basic|json} option to select report output format.
Add log/command_log_{sort,cols} to lvm.conf to configure command log report.
Add log_object_{type,name,id,group,group_id} fields to cmd log.
Add log_{seq_num,type,context,message,errno,ret_code} fields to cmd log.
Add CMDLOG report type - a separate report type for command logging.
Version 2.02.157 - 17th June 2016
=================================
Change pvscan --cache -aay to scan locally if lvmetad fails.
Version 2.02.156 - 11th June 2016
=================================
Don't allow duplicate orphan PVs to be used with vgcreate/vgextend/pvcreate.
Improve handling of lvmetad update failures.
Yes/No prompt accepts '^[ ^t]*([Yy]([Ee]([Ss]|)|)|[Nn]([Oo]|))[ ^t]*$'.
If available, also collect output from lsblk command when running lvmdump -s.
Version 2.02.155 - 3rd June 2016
================================
Reject PV tags on pvmove cmdline because only 1 PV is supported. (2.02.141)
Fix compilation error when building with configure --disable-devmapper.
Fix lvmconfig --type diff to display complete diff if config cascade used.
Automatically filter out partitioned loop devices with partscan (losetup -P).
Fix lvm devtypes internal error if -S used with field name from pvs/vgs/lvs.
When reporting Data%,Snap%,Meta%,Cpy%Sync use single ioctl per LV.
Add lvseg_percent_with_info_and_seg_status() for percent retrieval.
Enhance internal seg_status handling to understand snapshots better.
When refresh failed in suspend, call resume upon error path.
Support passthrough cache mode when waiting for clean cache.
Check cache status only for 'in-use' cache pools.
Extend setup_task() to preset flushing for dm_task object.
When checking LV is a merging COW, validate its a COW LV first.
Correcting value in copy_percent() for 100%.
Update vgreduce to use process_each_vg.
Update lvconvert to use process_each_lv.
Update pvscan to use process_each_vg for autoactivation.
Add basic support for --type raid0 using md.
Add support for lvchange --cachemode for cached LV.
Fix liblvm2app error handling when setting up context.
Delay liblvm2app init in python code until it is needed.
Simplify thread locking in lvmetad to fix locking problems.
Allow pvremove -ff to remove a duplicate PV.
Fix lvm2-activation-generator to read lvm.conf without full command setup.
Allow a minimal context to be used in lvm2app for reading lvm.conf.
Version 2.02.154 - 14th May 2016
================================
Fix liblvm segfault after failure initialising lvmetad connection.
Retry open without O_NOATIME if it fails (not file owner/CAP_FOWNER).
Split _report into one fn for options and arguments and one for processing.
Version 2.02.153 - 7th May 2016
===============================
Change warning messages related to duplicate PVs.
A named device is always processed itself, not switched for a duplicate.
Add PV attr "d" and report field "duplicate" for duplicate PVs.
Add config setting to disallow VG changes when duplicate PVs exist.
Use device size and active LVs to choose the preferred duplicate PV.
Disable lvmetad when duplicate PVs are seen.
Support --chunksize option also when caching LV when possible.
Add function to check for target presence and version via 1 ioctl.
Version 2.02.152 - 30th April 2016
==================================
Use any inherited tags when wiping metadata sub LVs to ensure activation.
Add str_list_wipe.
Improve support for interrupting procesing of volumes during lvchange.
Use failed command return code when lvchanging read-only volume.
Show creation transaction_id and zeroing state of pool with thin volume.
Stop checking for dm_cache_mq policy with cache target 1.9 (alias to smq).
Check first /sys/module/dm_* dir existance before using modprobe.
Remove mpath from 10-dm.rules, superseded by 11-dm-mpath.rules (mpath>=0.6.0).
Version 2.02.151 - 23rd April 2016
==================================
Fix error path after reusing of _setup_task (2.02.150).
Fix memory access for empty sysfs values (2.02.149).
Disable lvmetad when lvm1 metadata is seen, so commands revert to scanning.
Suppress errors when snapshot merge gets delayed because volume is in use.
Avoid internal snapshot LV names in messages.
Autodetect and use /run/lock dir when available instead of /var/lock.
lvchange --refresh for merging thin origin will retry to deactivate snapshot.
Recognize in-progress snapshot merge for thin volumes from dm table.
Avoid deciding to initiate a pending snapshot merge during resume.
Improve retrying lvmetad requests while lvmetad is being updated.
Read devices instead of using the lvmetad cache if rescan fails.
Move lvmetad token/filter check and device rescan to the start of commands.
Don't try deactivating fictional internal LV before snapshot merge. (2.02.105)
When not obtaining devs from udev, check they exist before caching them.
Detect device mismatch also when compiling without udev support.
Version 2.02.150 - 9th April 2016
=================================
Avoid using flushing dm status ioctl when checking for usable DM device.
Check for devices without LVM- uuid prefix only with kernels < 3.X.
Reuse %FREE size aproximation with lvcreate -l%PVS thin-pool.
Allow the lvmdump directory to exist already provided it is empty.
Show lvconverted percentage with 2 decimal digits.
Fix regression in suspend when repairing --type mirror (2.02.133).
Version 2.02.149 - 1st April 2016
=================================
Do not flush thin-pool when checking metadata fullness.
Remove spurious error about no value in /sys/dev/block/major:minor/dm/uuid.
Fix device mismatch detection for LV if persistent .cache file is used.
Fix holder device not being found in /dev while sysfs has it during dev scan.
Version 2.02.148 - 26th March 2016
==================================
Introduce TARGET_NAME and MODULE NAME macros.
Replace hard-coded module and target names with macros.
Add pv_major and pv_minor report fields.
Detect and warn about mismatch between devices used and assumed for an LV.
Version 2.02.147 - 19th March 2016
==================================
If available, use /proc/self/mountinfo to detect mounted volume in fsadm.
Fix resize of stacked raid thin data volume (2.02.141).
Fix test for lvremove failure in lvconvert --uncache (2.02.146).
Version 2.02.146 - 11th March 2016
==================================
More man page cleanups in lvconvert.
Fix makefile vpath in /udev when generating udev rules files.
Another attempt to improve VG name parsing for lvconvert (2.02.144).
Use new cache status info and skip flushing for failed cache.
Support --uncache with missing PVs.
Tidy report field names, headings and widths.
Add vgscan --notifydbus to send a dbus notification.
Add dbus notification from commands after a PV/VG/LV changes state.
Version 2.02.145 - 4th March 2016
=================================
Make it possible to use lvremove and lvrename on historical LVs.
For historical LVs, report 'none' for lv_layout and 'history' for lv_role.
Add full_{ancestors,descendants} fields to report LV ancestry with history.
Report (h)istorical state within 5th bit (State) of the lv_attr field.
Add lv_historical reporting field to report if LV is historical or not.
Add lv_time_removed reporting field to display removal time for hist. LVs.
Report lv_name, lv_uuid, vg_name, lv_time for historical LVs.
Add --nohistory switch to lvremove to disable history recording on demand.
Add -H|--history switch to lvs and lvdisplay to include historical LVs.
Create historical LVs out of removed thin snapshot LVs and record in history.